KERNELDIR = /usr/src/linux-headers-$(shell uname -r)
PWD  := $(shell pwd)

default:
	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules

clean_all:
	rm -rf *.o *.ko .??*  *.mod.* Module.* modules.order

clean:
	rm -rf *.o .??*  *.mod.* Module.* modules.order